Answer:
angle Y= 60 degrees
Step-by-step explanation:
angle S + angle Y = 90 degrees because they are complementary
Y = 90 - S
angle S = 4(Y)-210
substitute for Y
S = 4(90 - S) - 210
S = 360 - 4S - 210
reduce
5S = 150
S = 30
Y = 90 - 30 = 60
Answer:
It is correct according to the laws
The coefficient of a is 7
The formula for the circumference of a circle if you have diameter is:
pi multiplied by diameter
So, 3.14 multiplied by 8 is equal to 25.12
The circumference of the circle is 25.12 cm
Hope it helps :)
Answer:
43
Step-by-step explanation:
move the decimal 1 place to the right